EP2169219A3 - System and method for controlling a wind turbine during loss of grid power and changing wind conditions - Google Patents

System and method for controlling a wind turbine during loss of grid power and changing wind conditions Download PDF

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Publication number
EP2169219A3
EP2169219A3 EP09170411.4A EP09170411A EP2169219A3 EP 2169219 A3 EP2169219 A3 EP 2169219A3 EP 09170411 A EP09170411 A EP 09170411A EP 2169219 A3 EP2169219 A3 EP 2169219A3
Authority
EP
European Patent Office
Prior art keywords
wind turbine
grid power
controlling
during loss
turbine during
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP09170411.4A
Other languages
German (de)
French (fr)
Other versions
EP2169219A2 (en
EP2169219B1 (en
Inventor
Charudatta Subhash Mehendale
Leonardo Cesar Kammer
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
General Electric Co
Original Assignee
General Electric Co
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by General Electric Co filed Critical General Electric Co
Publication of EP2169219A2 publication Critical patent/EP2169219A2/en
Publication of EP2169219A3 publication Critical patent/EP2169219A3/en
Application granted granted Critical
Publication of EP2169219B1 publication Critical patent/EP2169219B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03D—WIND MOTORS
    • F03D7/00—Controlling wind motors 
    • F03D7/02—Controlling wind motors  the wind motors having rotation axis substantially parallel to the air flow entering the rotor
    • F03D7/022—Adjusting aerodynamic properties of the blades
    • F03D7/024—Adjusting aerodynamic properties of the blades of individual blades
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03D—WIND MOTORS
    • F03D7/00—Controlling wind motors 
    • F03D7/02—Controlling wind motors  the wind motors having rotation axis substantially parallel to the air flow entering the rotor
    • F03D7/0204—Controlling wind motors  the wind motors having rotation axis substantially parallel to the air flow entering the rotor for orientation in relation to wind direction
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03D—WIND MOTORS
    • F03D7/00—Controlling wind motors 
    • F03D7/02—Controlling wind motors  the wind motors having rotation axis substantially parallel to the air flow entering the rotor
    • F03D7/022—Adjusting aerodynamic properties of the blades
    • F03D7/0224—Adjusting blade pitch
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03D—WIND MOTORS
    • F03D7/00—Controlling wind motors 
    • F03D7/02—Controlling wind motors  the wind motors having rotation axis substantially parallel to the air flow entering the rotor
    • F03D7/0264—Controlling wind motors  the wind motors having rotation axis substantially parallel to the air flow entering the rotor for stopping; controlling in emergency situations
    • F03D7/0268—Parking or storm protection
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03D—WIND MOTORS
    • F03D7/00—Controlling wind motors 
    • F03D7/02—Controlling wind motors  the wind motors having rotation axis substantially parallel to the air flow entering the rotor
    • F03D7/0276—Controlling wind motors  the wind motors having rotation axis substantially parallel to the air flow entering the rotor controlling rotor speed, e.g. variable speed
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
    • F05B2260/00—Function
    • F05B2260/70—Adjusting of angle of incidence or attack of rotating blades
    • F05B2260/74—Adjusting of angle of incidence or attack of rotating blades by turning around an axis perpendicular the rotor centre line
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
    • F05B2260/00—Function
    • F05B2260/70—Adjusting of angle of incidence or attack of rotating blades
    • F05B2260/76—Adjusting of angle of incidence or attack of rotating blades the adjusting mechanism using auxiliary power sources
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
    • F05B2270/00—Control
    • F05B2270/10—Purpose of the control system
    • F05B2270/107—Purpose of the control system to cope with emergencies
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
    • F05B2270/00—Control
    • F05B2270/30—Control parameters, e.g. input parameters
    • F05B2270/328—Blade pitch angle
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
    • F05B2270/00—Control
    • F05B2270/30—Control parameters, e.g. input parameters
    • F05B2270/329—Azimuth or yaw angle
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00—Energy generation through renewable energy sources
    • Y02E10/70—Wind energy
    • Y02E10/72—Wind turbines with rotation axis in wind direction

Landscapes

  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Sustainable Energy (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Wind Motors (AREA)

Abstract

An apparatus and method for controlling a wind turbine (100) having a plurality of blades (108) such that the blade angle (θ )of each blade is continuously adjusted during loss of grid power relative to a wind direction relative to an orientation of the nacelle (112) (i.e., yaw offset) and a rotor azimuth while keeping the orientation of the nacelle of the wind turbine substantially constant. The wind turbine is capable of pitching the blades a full 360 degrees and generating power from the rotation of the rotor shaft (116) during loss of grid power.
EP09170411.4A 2008-09-30 2009-09-16 System and method for controlling a wind turbine during loss of grid power and changing wind conditions Active EP2169219B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US12/241,186 US7719128B2 (en) 2008-09-30 2008-09-30 System and method for controlling a wind turbine during loss of grid power and changing wind conditions

Publications (3)

Publication Number Publication Date
EP2169219A2 EP2169219A2 (en) 2010-03-31
EP2169219A3 true EP2169219A3 (en) 2013-07-24
EP2169219B1 EP2169219B1 (en) 2014-09-03

Family

ID=41162714

Family Applications (1)

Application Number Title Priority Date Filing Date
EP09170411.4A Active EP2169219B1 (en) 2008-09-30 2009-09-16 System and method for controlling a wind turbine during loss of grid power and changing wind conditions

Country Status (4)

Country Link
US (1) US7719128B2 (en)
EP (1) EP2169219B1 (en)
CN (1) CN101713375B (en)
DK (1) DK2169219T3 (en)

Families Citing this family (32)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20060205554A1 (en) * 2003-08-12 2006-09-14 Osamu Nohara Speed reducer for use in yaw drive apparatus for wind power generation apparatus, and yaw drive method and apparatus for wind power generation apparatus using the speed reducer
ES2327695B1 (en) * 2006-10-11 2010-09-06 GAMESA INNOVATION & TECHNOLOGY, S.L. SPINNING SYSTEM OF A WINDER SHOVEL.
JP4914294B2 (en) * 2007-06-05 2012-04-11 富士重工業株式会社 Horizontal axis windmill
ES2345645B1 (en) * 2008-06-09 2011-07-13 GAMESA INNOVATION & TECHNOLOGY, S.L. INSTALLATION OF WIND ENERGY AND PROCEDURE OF MODIFICATION OF THE SHOVEL PASSAGE IN A WIND ENERGY INSTALLATION.
EP2175129A1 (en) * 2008-10-10 2010-04-14 Siemens Aktiengesellschaft Adaptive adjustment of the blade pitch angle of a wind turbine
US8573937B2 (en) 2008-11-21 2013-11-05 Xzeres Corp. System for providing dynamic pitch control in a wind turbine
US9189755B2 (en) * 2009-06-05 2015-11-17 Siemens Aktiengesellschaft Available power estimator
CN201865840U (en) 2009-09-18 2011-06-15 北京希翼新兴能源科技有限公司 Impeller and windwheel of vertical shaft wind power generator
US8360723B2 (en) * 2009-09-30 2013-01-29 General Electric Company Method for reducing vibrations in wind turbines and wind turbine implementing said method
CN101886611B (en) * 2010-06-13 2011-12-07 曹峻岭 Automatic directing controller of wind driven generator
US20110140425A1 (en) * 2010-08-25 2011-06-16 Martin Staedler Method and System For Controlling Wind Turbine Rotational Speed
US8177510B2 (en) * 2011-01-04 2012-05-15 General Electric Company Method and system for braking in a wind turbine
EP2511522A1 (en) * 2011-04-11 2012-10-17 Baumer Innotec AG Blade angle control for a rotor blade of a wind turbine
KR20130050272A (en) * 2011-08-10 2013-05-15 미츠비시 쥬고교 가부시키가이샤 Wind-power-station control apparatus and wind-power-station control method
DK201270417A (en) 2012-07-09 2014-01-10 Envision Energy Denmark Aps Method and System to Actively Pitch to Reduce Extreme Loads on Wind Turbine
US9677540B2 (en) 2012-11-29 2017-06-13 General Electric Company System and method for providing yaw backup to a wind farm
DE102012222323A1 (en) * 2012-12-05 2014-06-05 Wobben Properties Gmbh Wind energy plant and method for operating a wind energy plant
US9416771B2 (en) 2013-06-26 2016-08-16 Siemens Aktiengesellschaft Method for controlling loads in a wind turbine
WO2015065425A1 (en) 2013-10-31 2015-05-07 General Electric Company System and method for controlling wind power generation systems
ES2537476B1 (en) 2013-12-04 2016-03-23 Acciona Windpower, S.A. Wind turbine control system and method
ES2538739B1 (en) * 2013-12-23 2016-04-14 Acciona Windpower, S.A. Wind Turbine Control Method
DK2975260T4 (en) † 2014-07-18 2022-01-10 Siemens Gamesa Renewable Energy As Generator suspension device
CN110214228B (en) * 2015-11-20 2021-08-24 比伯拉赫利勃海尔零部件有限公司 Adjusting and/or driving unit, wind turbine with such adjusting and/or driving unit and method for controlling such adjusting and/or driving unit
US11384737B2 (en) 2017-03-31 2022-07-12 Siemens Gamesa Renewable Energy A/S Determining an orientation of a rotor plane of a wind turbine
DE102017121750A1 (en) * 2017-09-20 2019-03-21 Wobben Properties Gmbh Method for a wind energy plant in emergency operation as well as control and wind energy plant
CN109931217B (en) * 2017-12-15 2020-05-12 新疆金风科技股份有限公司 Wind generating set shutdown control method and system
CN109185059A (en) * 2018-08-17 2019-01-11 国投白银风电有限公司 A kind of wind power generating set power optimization aggregate adjustment
US11313354B2 (en) * 2020-06-17 2022-04-26 General Electric Company System and method for protecting a wind turbine from overloading due to pitch system fault
EP4053401A1 (en) * 2021-03-01 2022-09-07 Siemens Gamesa Renewable Energy A/S Handling a wind turbine in severe weather conditions
CN113236490B (en) * 2021-05-21 2022-06-14 中国华能集团清洁能源技术研究院有限公司 Energy storage wind turbine generator set limit load control method, medium and equipment
CN114729622A (en) * 2022-02-23 2022-07-08 远景能源有限公司 Wind driven generator and vibration suppression method thereof
CN114542378B (en) * 2022-04-26 2022-07-12 东方电气风电股份有限公司 Method for dynamically calculating optimal minimum pitch angle of wind generating set

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE29715248U1 (en) * 1997-08-25 1998-12-24 Institut für Solare Energieversorgungstechnik Verein an der Universität Gesamthochschule Kassel eV, 34119 Kassel Wind turbine
EP0995904A2 (en) * 1998-10-20 2000-04-26 Tacke Windenergie GmbH Wind turbine
WO2005116445A1 (en) * 2004-05-18 2005-12-08 Nordex Energy Gmbh Method for controlling and adjusting a wind turbine
EP1696122A2 (en) * 2005-01-31 2006-08-30 Winwind Oy Method for controlling a wind power plant

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4160170A (en) * 1978-06-15 1979-07-03 United Technologies Corporation Wind turbine generator pitch control system
US4329117A (en) * 1980-04-22 1982-05-11 United Technologies Corporation Wind turbine with drive train disturbance isolation
US4355955A (en) * 1981-04-06 1982-10-26 The Boeing Company Wind turbine rotor speed control system
SE458293B (en) * 1987-09-15 1989-03-13 Svenning Konsult Ab S CONTROL DEVICE FOR CONSUMPTION OF TURBIN SPEED
CN1009020B (en) * 1988-02-29 1990-08-01 达亚能源有限公司 Control hub for adjusting pitch of wind turbo-propeller
US5425619A (en) * 1993-10-26 1995-06-20 Aylor; Elmo E. Self governing fluid energy turbine
US5584655A (en) 1994-12-21 1996-12-17 The Wind Turbine Company Rotor device and control for wind turbine
US6441507B1 (en) * 2000-03-22 2002-08-27 The Wind Turbine Company Rotor pitch control method and apparatus for parking wind turbine
US7118339B2 (en) * 2004-06-30 2006-10-10 General Electric Company Methods and apparatus for reduction of asymmetric rotor loads in wind turbines
EP2284391B1 (en) 2004-07-23 2018-02-07 Vestas Wind Systems A/S Method and control system of controlling a wind turbine blade during the stopping process of the rotor
CN102518557B (en) * 2005-05-31 2014-10-01 株式会社日立制作所 Horizontal axis windmill
US7476985B2 (en) * 2005-07-22 2009-01-13 Gamesa Innovation & Technology, S.L. Method of operating a wind turbine
AU2007303956B2 (en) * 2006-10-02 2011-12-22 Clipper Windpower, Inc. Wind turbine with blade pitch control to compensate for wind shear and wind misalignment
US8183707B2 (en) * 2007-10-30 2012-05-22 General Electric Company Method of controlling a wind energy system and wind speed sensor free wind energy system
US8805595B2 (en) * 2008-01-17 2014-08-12 General Electric Company Wind turbine arranged for independent operation of its components and related method and computer program

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE29715248U1 (en) * 1997-08-25 1998-12-24 Institut für Solare Energieversorgungstechnik Verein an der Universität Gesamthochschule Kassel eV, 34119 Kassel Wind turbine
EP0995904A2 (en) * 1998-10-20 2000-04-26 Tacke Windenergie GmbH Wind turbine
WO2005116445A1 (en) * 2004-05-18 2005-12-08 Nordex Energy Gmbh Method for controlling and adjusting a wind turbine
EP1696122A2 (en) * 2005-01-31 2006-08-30 Winwind Oy Method for controlling a wind power plant

Also Published As

Publication number Publication date
EP2169219A2 (en) 2010-03-31
EP2169219B1 (en) 2014-09-03
CN101713375A (en) 2010-05-26
DK2169219T3 (en) 2014-10-13
CN101713375B (en) 2014-12-10
US7719128B2 (en) 2010-05-18
US20100078939A1 (en) 2010-04-01

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